28857004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7369}}^1$

素因数の和:7473

約数の個数: 24

約数和(自身を含む): 55717200

約数和(自身を除く): 26860196

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 7369, 14738, 29476, 81059, 162118, 324236, 655841, 1311682, 2623364, 7214251, 14428502, 28857004]

約数ペア:

[(1, 28857004), (2, 14428502), (4, 7214251), (11, 2623364), (22, 1311682), (44, 655841), (89, 324236), (178, 162118), (356, 81059), (979, 29476), (1958, 14738), (3916, 7369)]